Home / 275,476,312.80-380,174,498.16-151,716,958.56

Finding the Fourth Proportional to 275,476,312.80, 380,174,498.16 and 151,716,958.56

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Solution

The fourth proportional to 275,476,312.80, 380,174,498.16 and 151,716,958.56 is: 209,378,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,476,312.80 : 380,174,498.16 = 151,716,958.56 : x
  2. Step 2: Convert to fraction form
    275,476,312.80/380,174,498.16 = 151,716,958.56/x
  3. Step 3: Cross multiply
    275,476,312.80x = 380,174,498.16 × 151,716,958.56
  4. Step 4: Simplify right side
    275,476,312.80x = 57,678,918,582,909,520
  5. Step 5: Solve for x
    x = 57,678,918,582,909,520/275,476,312.80
  6. Step 6: Final answer
    x = 209,378,868.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.